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GCSE Mathematics · key term
The non-zero number below the fraction line; it records how many equal parts make one whole.
Used by AQA, Edexcel and OCR
Specification N2, N8, N11, R3 · Paper 1, Paper 2, Paper 3
The bottom number of a fraction; it records how many equal parts make one whole. It cannot be zero.
Revise: The Four Operations with Numbers and FractionsA lowest common denominator usually keeps the arithmetic smaller, although any common multiple works if the result is simplified afterwards.
For fraction addition or subtraction, show the common denominator and the equivalent fractions before combining the numerators.
For addition or subtraction, obtain a common denominator before combining the numerators. Do not add or subtract the denominators.
For a ratio part, use the sum of all the ratio numbers as the denominator—not just the other part.
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The bottom number of a fraction, showing how many equal parts make the whole.
The number below the fraction line; it represents the quantity with which the first quantity is being compared.
Specification N10, R3 · Paper 1, Paper 2, Paper 3
The non-zero number below the fraction line; it is the number by which the numerator is divided.
Revise: Fraction and Decimal ConversionThis gives a direct method for changing a fraction into a decimal: divide the numerator by the denominator.
The bottom number of a fraction; it is the quantity against which the comparison is made.
Specification 2.01a, 2.01b, 2.01c, 2.02a, 6.01g · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
The non-zero number below the fraction bar; it states how many equal parts make one whole.
Revise: Fraction EquivalenceThe denominator cannot be zero because division by zero is undefined.
The number below the fraction line, showing how many equal parts make one whole.
The bottom number of a fraction; it states how many equal parts make one whole.
The non-zero number below the fraction line; it is the number by which the numerator is divided.
The expression below the fraction line; it must not have the value zero.